<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>CSS3 3D立方体Loading加载动画特效DEMO演示</title>

<style>
body {
	background-color: #dedede;
	font-size: 12px;
}

.base {
	height: 9em;
	left: 50%;
	margin: -7.5em;
	padding: 3em;
	position: absolute;
	top: 50%;
	width: 9em;
	transform: rotateX(45deg) rotateZ(45deg);
	transform-style: preserve-3d;
}

.cube,
.cube:after,
.cube:before {
	content: '';
	float: left;
	height: 3em;
	position: absolute;
	width: 3em;
}

/* Top */
.cube {
	background-color: #05afd1;
	position: relative;
	transform: translateZ(3em);
	transform-style: preserve-3d;
	transition: .25s;
	box-shadow: 13em 13em 1.5em rgba(0, 0, 0, 0.1);
	animation: anim 1s infinite;
}
.cube:after {
	background-color: #049dbc;
	transform: rotateX(-90deg) translateY(3em);
	transform-origin: 100% 100%;
}
.cube:before {
	background-color: #048ca7;
	transform: rotateY(90deg) translateX(3em);
	transform-origin: 100% 0;
}
.cube:nth-child(1) {animation-delay: 0.05s;}
.cube:nth-child(2) {animation-delay: 0.1s;}
.cube:nth-child(3) {animation-delay: 0.15s;}
.cube:nth-child(4) {animation-delay: 0.2s;}
.cube:nth-child(5) {animation-delay: 0.25s;}
.cube:nth-child(6) {
animation-delay: 0.3s;}
.cube:nth-child(7) {animation-delay: 0.35s;
}
.cube:nth-child(8) {animation-delay: 0.4s;}
.cube:nth-child(9) {animation-delay: 0.45s;}

@keyframes anim {
	50% {
		transform: translateZ(0.5em);
	}
}
</style>

<script src="js/prefixfree.min.js"></script>

</head>

<body>

	<div class='base'>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
		<div class='cube'></div>
	</div>

</body>
</html>